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The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
As JH has accepted the superintendency of the Admiralty Manual he will try to undertake the geological part, but it will take time as he is busy on another project.
Has forwarded JH's note to Robert Mallet, who no doubt will compress his part. Encloses his own part,which he fears may be too long. Would like a chance to see the proofs. When completed would like several copies.
Sends his manuscript. P.O. has been unable to trace the missing parcel. Comments on J. B. Elie de Beaumont's method of measuring lava streams; emphasizes the importance of repeated observations. Would like copies of the manual when completed.
As JH is interested in colors he sends him details of the color changes that the genus Ibla undergoes. Will send him a specimen if desired.
Encloses samples of the Ibla. Outlines the method of making it change color. Hopes he will not have to re-write his geological chapter for the Admiralty Manual.